25155263 has 8 divisors (see below), whose sum is σ = 29450400. Its totient is φ = 21035520.

The previous prime is 25155239. The next prime is 25155287. The reversal of 25155263 is 36255152.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (25155239) and next prime (25155287).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25155263 - 2²² = 20960959 is a prime.

It is a zygodrome in base 4.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25155203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43538 + ... + 44111.

It is an arithmetic number, because the mean of its divisors is an integer number (3681300).

Almost surely, 2^25155263 is an apocalyptic number.

25155263 is a deficient number, since it is larger than the sum of its proper divisors (4295137).

25155263 is an equidigital number, since it uses as much as digits as its factorization.

25155263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87697.

The product of its digits is 9000, while the sum is 29.

The square root of 25155263 is about 5015.5022679688. The cubic root of 25155263 is about 293.0058473597.

The spelling of 25155263 in words is "twenty-five million, one hundred fifty-five thousand, two hundred sixty-three".